Black screen after installation

black screen after installation fail safe graphics doesn't help. don't know logins and passwords Gekeken op website:
 * Pardus FAQ
 * Pardus other documentation
 * Pardus forum
 * Pardus e-mail list (maybe)
 * Installation Guide http://www.pardus.org.tr/eng/guide/
 * Installation Wiki Page http://en.pardus-wiki.org/Installation:Contents
 * Get Support http://www.pardus.org.tr/eng/support/